MIL-DTL-38999 Series II connectors are ideal for harsh environments, featuring up to 128 contacts in a sealed insert. With an impressive operating temperature range of -65 °C to 200 °C, these connectors offer durability and reliability. Available in various mounting styles including front and rear wall mount, jam nut, and box mount, they cater to diverse installation needs. The connectors come in aluminum shells with options for plating, ensuring robust performance. Utilizing M39029 rear release crimp contacts, they provide secure connections in sizes 22D, 22M, 22, 20, 16, and 12. With RoHS certified finishes available, these connectors are compliant with environmental regulations, making them a preferred choice for demanding applications in military, aerospace, and industrial sectors.